#ifndef __VGL_H__
#define __VGL_H__

#ifdef WIN32

#include <windows.h>
# if defined(USE_OPENGL_API)
#   include "GLAD/glad.h"
#   include "GLFW/glfw3.h"
# else  /* OpenGL ES 2.0 or 3.0 */
#  ifndef USE_OPENGL_ES_API
#   error USE_OPENGL_ES_API not defined
#  endif
#  include "GLES2/gl2.h"
typedef char    GLchar;
# endif

#else  /* #ifdef WIN32 */
#include "GL/gl.h"
#endif

#endif /* __VGL_H__ */
